20165212810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1\times {\mathrm{82981}}^1$

素因数の和:84286

約数の個数: 32

約数和(自身を含む): 38238105600

約数和(自身を除く): 18072892790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1279, 2558, 6395, 12790, 24301, 48602, 82981, 121505, 165962, 243010, 414905, 829810, 1576639, 3153278, 7883195, 15766390, 106132699, 212265398, 530663495, 1061326990, 2016521281, 4033042562, 10082606405, 20165212810]

約数ペア:

[(1, 20165212810), (2, 10082606405), (5, 4033042562), (10, 2016521281), (19, 1061326990), (38, 530663495), (95, 212265398), (190, 106132699), (1279, 15766390), (2558, 7883195), (6395, 3153278), (12790, 1576639), (24301, 829810), (48602, 414905), (82981, 243010), (121505, 165962)]